Video - 63-3071 - Air Intake Feature for 2008 and 2009 Pontiac G8 6.0L63-3071 - Air Intake feature for 2008 and 2009 Pontiac G8 6.0L - K&N has designed a performance air intake system for the 2008 and 2009 Pontiac G8 with the 6.0 liter engine. K&N dynamometer tests show an estimated 11.88 horsepower gain with use of this K&N air intake modification. K&N tests multiple vehicles for each air intake kit it makes to ensure a consistent horsepower and torque gain. This video demonstrates the features of a power gaining K&N air intake for a 2008 and 2009 Pontiac G8 6.0L